Personal digital assistant to be worn on a wrist



FIG. 1 is a top plan view of my improved wrist instrument;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a front end elevational view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a rear end elevational view thereof.

The ornamental design for a personal digital assistant to be worn on a wrist, as shown and described. 